Datasheet

16 Maxim Integrated
±1°C Accurate 8-Channel Temperature Sensor
MAX6581
Table 4. Configuration Register (41h)
Table 5. ALERT Mask Register (42h)
Table 6. OVERT Mask Register (43h)
BIT NAME
POR
VALUE
FUNCTION
7 (MSB) STOP 0
Standby-Mode Control Bit. If STOP is set to logic 1, the MAX6581 stops converting
and enters standby mode.
6 POR 0
Reset Bit. Set to logic 1 to put the device into its power-on state. This bit is self-
clearing.
5
TIMEOUT
0 Timeout Enable Bit. Set to logic 0 to enable SMBus timeout.
4 RESERVED 0 Reserved. Must be set to 0.
3 RESERVED 0 Reserved. Must be set to 0.
2 RESERVED 0 Reserved. Must be set to 0.
1 EXTRANGE 0
Extended-Range Enable Bit. Set bit 1 to logic 1 to set the temperature and limit data
range to -64NC to +191NC. Set bit 1 to logic 0 to set the range to 0NC to +255NC.
0 RESERVED 0 Reserved. Must be set to 0.
BIT NAME
POR
VALUE
FUNCTION
7 (MSB)
Mask ALERT 7
0
Channel 7 Alert Mask. Set to logic 1 to mask channel 7 ALERT.
6
Mask Local
ALERT
0
Local Alert Mask. Set to logic 1 to mask local channel ALERT.
5
Mask ALERT 6
0
Channel 6 Alert Mask. Set to logic 1 to mask channel 6 ALERT.
4
Mask ALERT 5
0
Channel 5 Alert Mask. Set to logic 1 to mask channel 5 ALERT.
3
Mask ALERT 4
0
Channel 4 Alert Mask. Set to logic 1 to mask channel 4 ALERT.
2
Mask ALERT 3
0
Channel 3 Alert Mask. Set to logic 1 to mask channel 3 ALERT.
1
Mask ALERT 2
0
Channel 2 Alert Mask. Set to logic 1 to mask channel 2 ALERT.
0
Mask ALERT 1
0
Channel 1 Alert Mask. Set to logic 1 to mask channel 1 ALERT.
BIT NAME
POR
VALUE
FUNCTION
7 (MSB)
Mask OVERT 7
0
Channel 7 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 7 OVERT.
6
Mask Local
OVERT
0
Local Overt Mask. Set to logic 1 to mask local channel OVERT.
5
Mask OVERT 6
0
Channel 6 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 6 OVERT.
4
Mask OVERT 5
0
Channel 5 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 5 OVERT.
3
Mask OVERT 4
0
Channel 4 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 4 OVERT.
2
Mask OVERT 3
0
Channel 3 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 3 OVERT.
1
Mask OVERT 2
0
Channel 2 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 2 OVERT.
0
Mask OVERT 1
0
Channel 1 Remote-Diode OVERT Mask Bit. Set to logic 1 to mask channel 1 OVERT.